The electronic configuration of an element ‘X’ is 2,8,6. To which group and period of the modern periodic table does ‘X’ belong . State its valncey
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Answer:
the element is Sulphur
Explanation:
atomic no. is 16
it belongs to 3rd period and 16th group known as chalcogens
it's valence electrons are 6 and valency is 2
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